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Primary Cat Delete/Test Pipes are designed for those who do not want to go the full X Pipe route and are happy to modify their existing X Pipe
a 1-Row Super-High Pressure 16mm 9-Channel Microtube design optimizes oil flow and offers maximum surface area contact
and/or larger upgraded turbochargers
Bevelled edge for easy removal
Evolve Remap - BMW Z8 NGK Primary Cat Delete/Test Pipes areThis ECU remap is for installation at Evolve or at one of our dealers. Most E39 M5's will produce in the region of 390 395bhp on our dyno. With the ECU remap we generally see anything up to 410bhp once an adaptation time period has elapsed. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part throttles are reworked to create performance gains. The result is an E39 M5 which feels far